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Finding the Fourth Proportional to 91,824.20, 137,477.10 and 91,824.20

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Solution

The fourth proportional to 91,824.20, 137,477.10 and 91,824.20 is: 137,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,824.20 : 137,477.10 = 91,824.20 : x
  2. Step 2: Convert to fraction form
    91,824.20/137,477.10 = 91,824.20/x
  3. Step 3: Cross multiply
    91,824.20x = 137,477.10 × 91,824.20
  4. Step 4: Simplify right side
    91,824.20x = 12,623,724,725.82
  5. Step 5: Solve for x
    x = 12,623,724,725.82/91,824.20
  6. Step 6: Final answer
    x = 137,477.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.